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Hydrograph River at a Glance Download
Marais Des Cygnes River at Osawatomie Stage (ft)Flow (kcfs)Observed: 14.28 ft at 8:00AM Sep 16, 2021Observed: 14.27 ft at 9:00AM Sep 16, 2021Highest Observation: 14.3 ft at 10:00AM Sep 16, 2021Observed: 14.29 ft at 11:00AM Sep 16, 2021Observed: 14.22 ft at 1:00PM Sep 16, 2021Observed: 14.23 ft at 2:00PM Sep 16, 2021Observed: 14.22 ft at 3:00PM Sep 16, 2021Observed: 14.2 ft at 4:00PM Sep 16, 2021Observed: 14.2 ft at 5:00PM Sep 16, 2021Observed: 14.21 ft at 7:00PM Sep 16, 2021Observed: 14.19 ft at 8:00PM Sep 16, 2021Observed: 14.22 ft at 9:00PM Sep 16, 2021Observed: 14.21 ft at 10:00PM Sep 16, 2021Observed: 14.23 ft at 11:00PM Sep 16, 2021Observed: 14.21 ft at 12:00AM Sep 17, 2021Observed: 14.19 ft at 1:00AM Sep 17, 2021Observed: 14.12 ft at 3:00AM Sep 17, 2021Observed: 14.09 ft at 4:00AM Sep 17, 2021Observed: 14.08 ft at 5:00AM Sep 17, 2021Observed: 14.03 ft at 6:00AM Sep 17, 2021Observed: 13.96 ft at 7:00AM Sep 17, 2021Observed: 13.92 ft at 9:00AM Sep 17, 2021Observed: 13.88 ft at 10:00AM Sep 17, 2021Observed: 13.85 ft at 11:00AM Sep 17, 2021Observed: 13.7 ft at 1:00PM Sep 17, 2021Observed: 13.66 ft at 2:00PM Sep 17, 2021Observed: 13.63 ft at 3:00PM Sep 17, 2021Observed: 13.61 ft at 4:00PM Sep 17, 2021Observed: 13.57 ft at 5:00PM Sep 17, 2021Observed: 13.52 ft at 6:00PM Sep 17, 2021Observed: 13.5 ft at 7:00PM Sep 17, 2021Observed: 13.48 ft at 8:00PM Sep 17, 2021Observed: 13.46 ft at 9:00PM Sep 17, 2021Observed: 13.5 ft at 10:00PM Sep 17, 2021Observed: 13.41 ft at 11:00PM Sep 17, 2021Observed: 13.45 ft at 12:00AM Sep 18, 2021Observed: 13.42 ft at 1:00AM Sep 18, 2021Observed: 13.37 ft at 3:00AM Sep 18, 2021Observed: 13.41 ft at 4:00AM Sep 18, 2021Observed: 13.34 ft at 5:00AM Sep 18, 2021Observed: 13.4 ft at 6:00AM Sep 18, 2021Observed: 13.33 ft at 7:00AM Sep 18, 2021Observed: 13.39 ft at 8:00AM Sep 18, 2021Observed: 13.3 ft at 10:00AM Sep 18, 2021Observed: 13.35 ft at 11:00AM Sep 18, 2021Observed: 13.23 ft at 1:00PM Sep 18, 2021Observed: 13.23 ft at 3:00PM Sep 18, 2021Observed: 13.21 ft at 4:00PM Sep 18, 2021Observed: 13.21 ft at 5:00PM Sep 18, 2021Observed: 13.21 ft at 6:00PM Sep 18, 2021Observed: 13.18 ft at 8:00PM Sep 18, 2021Observed: 13.17 ft at 9:00PM Sep 18, 2021Observed: 13.21 ft at 10:00PM Sep 18, 2021Observed: 13.24 ft at 11:00PM Sep 18, 2021Observed: 13.25 ft at 12:00AM Sep 19, 2021Observed: 13.19 ft at 1:00AM Sep 19, 2021Observed: 13.2 ft at 3:00AM Sep 19, 2021Observed: 13.17 ft at 4:00AM Sep 19, 2021Observed: 13.22 ft at 5:00AM Sep 19, 2021Observed: 13.25 ft at 6:00AM Sep 19, 2021OSMK1(plotting HGIRZ) Graph Created (6:33AM Sep 19, 2021)ObservedLatest observed value: 13.25 ft at 6:00 AM CDT 19-Sep-2021. Flood Stage is 28 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: Not Available
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Marais Des Cygnes River at Osawatomie are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 48
Moderate Flood Stage: 45
Flood Stage: 28
Action Stage: 23
Low Stage (in feet): -9999

Historic Crests
(1) 50.30 ft on 07/12/1951
(2) 49.19 ft on 07/01/2007
(3) 44.32 ft on 11/18/1928
(4) 43.30 ft on 11/03/1998
(5) 42.70 ft on 04/24/1944
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(P): Preliminary values subject to further review.

Recent Crests
(1) 31.10 ft on 08/18/2019
(2) 35.90 ft on 08/02/2019
(3) 37.63 ft on 06/24/2019
(4) 40.27 ft on 05/22/2019
(5) 28.65 ft on 05/20/2019
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
51 The levee at Osawatomie is overtopped. Widespread flooding of homes and businesses behind the levee occurs.
43 The Missouri-Pacific Railroad tracks will be overtopped by flood waters.
39 Many roads in the vicinity of Osawatomie are under water. The water also reaches the bottom of the Missouri-Pacific Railroad bridge.
31 347th Road or Main Street east of Highway 169 is under water.
28 Low-lying areas along the river begin to flood.
About This Location Collapse

Latitude: 38.503333° N, Longitude: 94.960000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 28 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 816.34 ft 844.34 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Kansas City/Pleasant Hill Weather Forecast Office
1803 N. 7 Hwy
Pleasant Hill, MO 64080
(816) 540-6021
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Page last modified: 2-Nov-2020 7:29 PM
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